<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>demo2</title>
	<style type="text/css">
	*{
		padding: 0px;
		margin: 0px;
	}
	#main{
		width: 130px;
		height: 75px;
		position: absolute;
		top:200px;
		left: 0px;
	}
	</style>
	<script type="text/javascript">
	window.onload=function (){
	var w=window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
	w=w-130;
    var h=window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
    box=document.getElementById("main");

    
	</script>
</head>
<body>
	<div id="main">
		<img src="./gou.gif" alt="">
	</div>
</body>
</html>